Method layers

scapy/packet.py:1279–1287

returns a list of layer classes (including subclasses) in this packet

(self)

        return 0

    def layers(self):
        # type: () -> List[Type[Packet]]
        """returns a list of layer classes (including subclasses) in this packet"""  # noqa: E501
        layers = []
        lyr = self  # type: Optional[Packet]
        while lyr:
            layers.append(lyr.__class__)
            lyr = lyr.payload.getlayer(0, _subclass=True)
        return layers

    def haslayer(self, cls, _subclass=None):
        # type: (Union[Type[Packet], str], Optional[bool]) -> int